79452175824025 has 27 divisors (see below), whose sum is σ = 98721327787869. Its totient is φ = 63432564840480.

The previous prime is 79452175824019. The next prime is 79452175824029. The reversal of 79452175824025 is 52042857125497.

The square root of 79452175824025 is 8913595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4547859070041 + 74904316753984 = 2132571^2 + 8654728^2 .

It is not a de Polignac number, because 79452175824025 - 2¹⁹ = 79452175299737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79452175824029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26161399807 + ... + 26161402843.

Almost surely, 2^{79452175824025} is an apocalyptic number.

79452175824025 is the 8913595-th square number.

79452175824025 is the 4456798-th centered octagonal number.

It is an amenable number.

79452175824025 is a deficient number, since it is larger than the sum of its proper divisors (19269151963844).

79452175824025 is an frugal number, since it uses more digits than its factorization.

79452175824025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258 (or 3629 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 79452175824025 in words is "seventy-nine trillion, four hundred fifty-two billion, one hundred seventy-five million, eight hundred twenty-four thousand, twenty-five".